/Engine/Plugins/VirtualProduction/DMX/DMXEngine/Source/DMXRuntime/Public/Library/DMXLibrary.h
The finds the index of an existing entity.
The index of the entity or INDEX_NONE if not found or the Entity doesn't belong to this Library.
int32 FindEntityIndex ( [UDMXEntity](API\Plugins\DMXRuntime\Library\UDMXEntity) * InEntity ) const